B82721K2401N021 EPCOS Inc, B82721K2401N021 Datasheet - Page 4

• Manufacturer Part Number: B82721K2401N021
• Description: Power Inductors
• Manufacturer: EPCOS Inc
• Series: B82721A/J/Kr

Specifications of B82721K2401N021

• Inductance: 300 uH
• Tolerance: 30 %
• Maximum Dc Current: 0.4 Amp
• Maximum Dc Resistance: 1700 mOhms
• Dimensions: 13.2 mm W x 18.2 mm L x 20.3 mm H
• Shielding: Unshielded
• Termination Style: Through Hole
• Package / Case: 18.2 mm x 13.2 mm x 20.3 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Technical data and measuring conditions
Rated voltage V
Test voltage V
Rated temperature T
Rated current I
Rated inductance L
Inductance tolerance
Inductance decrease L/L
Stray inductance L
DC resistance R
Solderability (lead-free)
Resistance to soldering heat
(wave soldering)
Climatic category
Storage conditions (packaged)
Weight
Approvals
Please read Cautions and warnings and
Important notes at the end of this document.
Power line chokes
Current-compensated ring core double chokes
test
R
R
typ
stray,typ
R
R
0
250 V AC (50/60 Hz)
1500 V AC, 2 s (line/line)
40 °C / 50 °C / 60 °C
Referred to 50 Hz and rated temperature
Measured with Agilent 4284A at 0.1 mA, 20 °C
Measuring frequency: L
Inductance is specified per winding.
< 10% at DC magnetic bias with I
Measured with Agilent 4284A at 5 mA, 20 °C, typical values
Measuring frequency: L
Measured at 20 °C, typical values, specified per winding
Sn96.5Ag3.0Cu0.5: (245 5) °C, (3 0.3) s
Wetting of soldering area
(to IEC 60068-2-20, test Ta)
(260 5) °C, (10 1) s
(to IEC 60068-2-20, test Tb)
40/125/56 (to IEC 60068-1)
–25 °C … +40 °C,
Approx. 5 g
EN 60938-2, UL 1283
30% at 20 °C
4
10/08
75% RH
L
L
R
R
R
R
> 1 mH = 10 kHz
> 1 mH = 10 kHz
1 mH = 100 kHz
1 mH = 100 kHz
95%
R
, 20 °C
B82721A/J/K